(WASHINGTON) – Donald Trump’s presidency has been marked by a week of diplomatic controversy, unpredictable social media activity and growing scepticism over his handling of the Iran conflict, as allies and critics alike question the coherence of his foreign policy. The United States president triggered a diplomatic storm by announcing the resignation of British Prime Minister Keir Starmer a full day before it occurred. In comments that broke with diplomatic protocol, Trump told the world that Starmer would resign on…